Home / 40,518.14-55,917.84-22,616.64

Finding the Fourth Proportional to 40,518.14, 55,917.84 and 22,616.64

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Solution

The fourth proportional to 40,518.14, 55,917.84 and 22,616.64 is: 31,212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,518.14 : 55,917.84 = 22,616.64 : x
  2. Step 2: Convert to fraction form
    40,518.14/55,917.84 = 22,616.64/x
  3. Step 3: Cross multiply
    40,518.14x = 55,917.84 × 22,616.64
  4. Step 4: Simplify right side
    40,518.14x = 1,264,673,656.86
  5. Step 5: Solve for x
    x = 1,264,673,656.86/40,518.14
  6. Step 6: Final answer
    x = 31,212.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.